Oleg is a common male name of Slavic origin, often associated with historical figures in Eastern Europe. It is derived from the Old Norse name "Helgi," meaning "holy" or "blessed." Oleg is notably recognized as a prince in Kievan Rus, a federation of Slavic tribes in the 9th to 13th centuries. In modern times, Oleg remains a popular name in countries like Russia, Ukraine, and Belarus. It is often used in various cultural contexts, including literature and film, reflecting the rich heritage of Slavic traditions. The name is sometimes shortened to "Olya" or "Olegik" in informal settings.